1033220001 has 32 divisors (see below), whose sum is σ = 1546646400. Its totient is φ = 608192000.

The previous prime is 1033219997. The next prime is 1033220003. The reversal of 1033220001 is 1000223301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1033220001 - 2² = 1033219997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1033220003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173725 + ... + 179573.

It is an arithmetic number, because the mean of its divisors is an integer number (48332700).

Almost surely, 2^1033220001 is an apocalyptic number.

1033220001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1033220001 is a deficient number, since it is larger than the sum of its proper divisors (513426399).

1033220001 is a wasteful number, since it uses less digits than its factorization.

1033220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1033220001 is about 32143.7396859793. The cubic root of 1033220001 is about 1010.9529290172.

Adding to 1033220001 its reverse (1000223301), we get a palindrome (2033443302).

The spelling of 1033220001 in words is "one billion, thirty-three million, two hundred twenty thousand, one".